Page 39 of 7
If, after makin
not deliver its
lowered one
adjustment is
On the other
dragging afte
stopped and
impellers will
usually be he
sharp rise in
impellers are
Impe
5.3.1
driv
Impeller adju
as follows. T
before begin
a) Install
he
b) Install
dr
instructio
c) Check
sh
definite f
indicates
correct s
d) Thread
h
threads)
that are h
are just r
rotate fre
e) Check
a
the pump
setting a
Detail showin
arrangement
If a
pumping con
contact the fa
setting.
f) Tighten
t
recomme
5.3.1.2.
(334) LOC
COUPL
VERTICA
76
ng the impelle
s rated capac
step at a time
s achieved wit
hand, if the im
er the initial ad
the impellers
l increase the
eard and felt a
motor amper
e dragging.
eller adjustm
er
ustment when
The driver can
ning.
eadshaft [10] i
river clutch in
on manual and
haft position.
feel of metal c
s the impellers
starting positio
headshaft nut
except 43 mm
having left ha
raised off thei
eely.
separate doc
p that provide
nd running cle
ng head shaft
t
at any time du
nditions or tota
actory for reca
the adjusting
ended by Flow
K SCREW
LING
AL TURBINE
er adjustment
ity, the impelle
e until the low
thout the impe
mpellers appe
djustment, the
raised one st
load significa
as increased v
age will occur
ment for a ho
using hollow
nopy will have
if not already
accordance w
d bolt into pla
Lower shaft u
contacting met
s are "on botto
on for impeller
[66] down (rig
m (1.7 in.) and
nd threads, u
r seat and the
cument that is
es recommend
earance inform
t and lock scre
uring the life of
al pump length
alculation of th
nut to match i
wserve. See
HEAD SHAF
HEAD SHA
DRIVE
GIB
E PUMPS (VT
the pump doe
ers can be
est possible
ellers draggin
ear to be
e unit should b
tep. Dragging
antly and can
vibration. A
r when
ollow shaft
shaft drivers
to be remove
in place.
with the driver
ce.
until there is a
tal. This
om" and in the
r adjustment.
ght hand
d larger sizes
ntil impellers
e shaft will
supplied with
ded impeller
mation..
ew
f this pump th
h changes,
he impeller
impeller settin
table 5.3.1.1 &
FT (10)
AFT NUT (66)
ER
KEY(335)
TPS) CENTRI
es
g.
be
g
is
ed
a
e
h
he
ng
&
g) Us
nu
mo
loc
tighten
Failure
and dr
h) If
a
me
5.3.1.1
Flowse
setting
If the
is
Size
Size
a
of the
for this
model
diamet
see the
for exa
specifi
5.3.1.2
He
Shaft
m
(in
25 (
32 (1
38 (1
43 (1
43 (1
50 (1
55 (2
62 (2
68 (2
75 (2
IFUGAL PUM
sing the cap s
ut [66] down &
otor coupling.
ck screw arran
Alwa
ning the lock s
e to do so cou
river.
a mechanical
echanical sea
Impeller c
1
erve recomme
gs based on th
pump size
Se
en
im
6 thru size
12
(
e 14 and
above.
(
Shafts e
pump and the
s elongation.
depending u
ter, impeller w
e documenta
act impeller se
c pump that y
Head sha
2
ead
ft size
mm
n.)
Threa
per eve
25 mm
(1 in.
length
the sh
(1.0) 14
1.25)
1.50)
1.69)
12
1.69)
1.94)
2.19)
2.44)
10
2.69)
2.94)
8
MPS ENGLIS
screw provided
& lock using lo
See the deta
ngement unde
ays lock head
screw [334] b
uld result in d
seal is used,
al at this time.
clearance se
ends the follo
he pump size
etting for
nclosed
mpellers
3~4 mm
(0.13~0.15 in.)
6~7 mm
(0.25~0.27 in.)
longate due t
e impellers m
Shaft elonga
pon the size,
weight, numb
tion supplied
etting value m
you have purc
aft nut adjus
ds
ery
m
.)
h of
haft
La
One com
turn of nu
result in
movemen
1.8
(0.07
2.1
(0.08
2.5
(0.10
3.1
(0.12
SH 71569224
flowse
d, bolt the hea
ock screw [334
ails of head sh
er item (h) be
dshaft nut by
before starting
amage to the
adjust the
ettings
owing impelle
es.
Setting for se
open impelle
0.25 mm to 0
(0.010 in. to 0
0.63 mm to 0
(0.025 in. to 0
to the hydraul
must be compe
ation varies fo
shaft length,
er of stages.
along with th
matched for th
chased
tment
ateral adjustmen
mm (in.)
mplete
ut will
shaft
nt of
Each
n
81
70)
0
(0
1
80)
0
(0
54
00)
0
(0
7
20)
0
(0
4
– 02-15
erve.com
adshaft
4] to the
haft and
low.
g driver.
e pump
r
emi-
ers
0.38 mm
0.015 in.)
0.76 mm
0.030 in.)
lic thrust
ensated
or each
shaft
Please
he pump
he
nt
h face of
nut
0.30
.012)
0.35
.014)
0.40
.016)
0.53
.020)